Merge pull request rails#49718 from fatkodima/fix-ordered_options-nested-dig

Fix `OrderedOptions#dig` for array indexes

Author: kamipo

activesupport/lib/active_support/ordered_options.rb

@@ -42,8 +42,8 @@ def [](key)
       super(key.to_sym)
     end
 
-    def dig(*keys)
-      super(*keys.flatten.map(&:to_sym))
+    def dig(key, *identifiers)
+      super(key.to_sym, *identifiers)
     end
 
     def method_missing(name, *args)

activesupport/test/ordered_options_test.rb

@@ -46,6 +46,14 @@ def test_string_dig
     assert_equal 56, a.dig("test_key")
   end
 
+  def test_nested_dig
+    a = ActiveSupport::OrderedOptions.new
+
+    a[:test_key] = [{ a: 1 }]
+    assert_equal 1, a.dig(:test_key, 0, :a)
+    assert_nil a.dig(:test_key, 1, :a)
+  end
+
   def test_method_access
     a = ActiveSupport::OrderedOptions.new